Fish Passage Site 40501753

Coordinates (dec. deg.): 65.16203°, -147.32570°
Legal Description: F004N002E22
Region: Interior
Road Name: Steese Highway

Datum: WGS84
Quad Name / ITM: Livengood A-1
AWC Stream #:
Stream Name: Chatanika River tributary

Elevation:

Site Comments: None

Survey Date: Jun 11, 2010

Survey EDS10-STS04

Observers: Mark Eisenman, Justin Leon

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient gray

Comments: This culvert connects two ponds. Because of this, no widths or approach angles were measured. There are beaver gates on both the inlet and the outlet.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 66.9
Inlet Type: Flared Inlet
Outlet Type: Flared Inlet
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 0.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.0 5.11
Height(ft):5.0 5.1
Apron Length(ft):6.6 6.52
Water Depth(ft): 0.36
Rustline Height(ft):1.34
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 1.15%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:OrganicOrganic
Subdominant:BoulderCobble
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Road Elev (Road Surface) 106.18
D/S Tailcrest or 1st Thalweg (Substrate) 0.00 97.55
D/S Water Surface Elev (Water Surface) 0.00 97.98
Max Pool Depth (End of Apron Bottom) 11.00 96.84
Misc. (End of Apron - Bottom) 25.00 97.38
D/S Water Surface Elev (End of Apron - Water Surface) 25.00 97.98
D/S Water Surface Elev (Water Surface) 32.00 98.02
Outlet Invert (Bottom of Pipe) 32.00 97.67
Outlet Culvert Top (Top of Pipe) 32.00 102.71
Inlet Culvert Top (Top of Pipe) 98.90 103.56
Inlet Culvert Invert (Bottom of Pipe) 98.90 98.44
U/S Water Surface Elev (Water Surface) 98.90 98.80
U/S Water Surface Elev (End of Apron Water Surface) 105.50 98.87
Misc. (End of Apron) 105.50 98.38

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 0.5
Channel Type: Main Channel (>50% of water flow)
Comments: No fish were caught.
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.5
Channel Type: Main Channel (>50% of water flow)
Comments: No fish were caught.

Fish Observations

Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (0)  Upstream Minnow Trap (0)  

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov